Automatically-acting safety device for use in connection with carburetors of motor cars, motor boats, and flying machines



E. TEUBNER.

AUTOMATICALLY ACTING SAFETY DEVICE FOR USE IN CONNECTION .WITH CARBURETORS 0F MOTOR CARS, MOTOR BOATS, AND FLYING MACHINES.

APPLICATION FILED JULY 30. 1921.

1,408,233, Patented Feb. 28, 1922.

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u I o 4 c u Inventor: Ir/wt' 7Zy/wf a WW/WXMO'nmM HBM W UNU'EQ STATES PATENT OFFICE.

ERNST TEUBNER, O73. HOHENNEUENDORF, NEAR BERLIN, GERMANY.

.AUTOIVIATICALIiY-ACTING $ATTTY DEVICE USE IN CONNECTION XVITH CARBTJ- RETORS OF MOTOR CARS, BOATS. AND FLYING MACHINES.

aoaese.

Specification of Letters Patent. Patented Fb 28 1922 Application filed July 1921. i

Serial No. 488,585.

(GRANTED runes. ran r'uovrsrous or ran ACT or MARCH 3, 1921, 41 sum. 12., 1313.)

To all to 72mm it may concern Be it -znown that I, Fun-m1 Tnnnnnn, a citizen of the German Republic, and a. resident of Hohenneuendorf, near Berlin, Germany,

have invented a certain new and useful lmtor close but badly, so that the fuel boiling out of the carburetor in burning state runs into the body of the car or boat or the like and ignites the oily or fatty spots whereby the fire may easily spread. The driver or pilot is in such a case but rarely in the position to prevent the fire fromspreading and to save the car or boat or flying machine, as well as himself.

The novel device does not prevent, it is true, the fuel from escaping from the can buretor and a flame from arising, but the fire is prevented from spreading in that the burning benzine is caught up and kept oii the easily burning parts of the car or the like. For this purpose a tube closed by a diaphragm of easily burning or melting material, such as celluloid or the like, is arranged laterally with respect to the longitudinal axis of the motor car, motor boat or flying machine (not shown). In the case oi? the carburetor catching fire the burning ben zinc is caught up by a trayor troughshaped catcher arranged below the carburetor and the diaphragm and extending obliquely with respect, and in the direction, to this latter. Owing to the diaphragm being then destroyed, a sytem of levers connected with it and being under the pull of a spring is released whereby the fuel cock is closed. At the same time the flame that has arisen is deviated outwards through the sucking eflect arising in said tube.

In order to make my invention more clear, I refer to the accompanying drawing, which shows, by way of example, one forniof construction of my invention, partly in side view and partly in vertical section.

a is a tube having at its free end an elbow i") which projects laterally through the body or hull of the vehicle (not shown). The tube a. is closed by a diaphragm c which is at; tached to asleeve (Z. The sleeve is exchangeable and is connected with the tube a, in the example shown, by a transverse pin 6. Instead of this means of connection, the sleeve may be secured, in place by screw-threads or a bayonet-closure or another equivalent means.

7 is lever which is connected by a screw g with the diaphragm 0. Its vertical arm contacts with a roll 10. The free end of the lever f is connected with a wire-rope h passing through a tube 2 supported from the tube a by standards 7c. The other end of the wirerope h is connected with a lever Z afiixed to the benzine cock m. The lever Z is under the pull of spring a arranged in a casing o covering the lever and the cock.

Below the diaphragm c is a tray or through-shaped catcher Q which'is inclined in the direction to the diaphragm. The cock at and the carburetor 8' are connected with each other by a'pipe T which extends through which is attached to the diaphragm cand is held in place by the lower end of the lever f.

Burning benzine escaping from the ca1- buretor s is caught up by the catcher Q upon which it runs down to the diaphragm c where it ignites the celluloid t. This burns once, the diaphragm is destroyed, and the lever f, thus, is no longer retained in vertical position because the spring a is now free to turn the lever z and to close the cock m whereby the connection between the benzine tank and the carburetor is interrupted. And owing to the wide tube a being now open, the flame is sucked away through it, to the outside of the body or hull where it cannot do harm.

The device is adapted to be mounted upon a bracket or the like (not shown) attached in any suitable manner to the body of the car or the hull of the boat or flying machine.

Having now described my invention, what I desire to secure by a patent of the United States is:

1. An. automatically operating safety device intended for use in connection with carburetors that have caught fire, comprising a tube adapted to have one end arranged below and in proximity to the carburetor, a diaphragm consisting of an easily destroyable material, closing said end of said tube, a lever connected with the diaphragm, a fuel cock, another lever affixed to the fuel cock, a connection between said levers, and means adapted to turn the second-mentioned lever and close the fuel cock instantly after said .diaphragm has been destroyed by burning fuel.

2. An automatically operating safety device intended for use in connection with carburetors that have caught fire, comprising a tube adapted to have one end arranged below and in proximity to the carburetor, a diaphragm consisting of an easily destroyable material, closing said end of said tube, a catcher inclined toward said diaphragm, a lever connected with the diaphragm, a fuel cock, another lever afiixed to the fuel cock, a connection between said levers, and means adapted to turn the second-mentioned lever and close the fuel cock instantly upon the destruction of said diaphragm by burning fuel.

3. An automatically operating safety device intended for use in connection with carburetors that have caught fire, comprising a tube adapted to have one end arranged below and in proximity to the carburetor, a diaphragm consisting of an easily destroyable material, closing said end of said tube, a star shaped piece of an easily burning material attached to said diaphragm, a lever connected with the diaphragm, a fuel cock, another affixed to the fuel cock, a connection between said levers, and means adapted to turn the second-mentioned lever and close the fuel cock instantly, after the diaphragm hasbeen destroyed by burning fuel.

4. An automatically operating safety device intended for use in connection with carburetors that have caught fire, con1pris ing a tube, a diaphragm consisting of an easily destroyable material, closing one end of said tube, a star shaped piece of-an easily burning material attached to the diaphragm, a burning fuel catcher inclined toward said diaphragm, a leverconnected with the diaphragm, a fuel cock, another lever aflixed to the fuel cock, a connection between said 1evers, and means adapted to turn the secondmentioned lever and close the fuel cock instantly upon destruction of the diaphragm by burning fuel.

5. In a device of the character described, the combinationwith the carburetor of an internal combustion engine, of a fuel feedlineto said carburetor, means for catching burning fuel escaping from said carburetor, means-for automatically shutting off the supply of fuel to said feed-line and an inflammable member adjacent said catching means adapted to be destroyed by said burning fuel, the destruction of which permits of the operation of said shutoff means.

6. In a device of the character described, the combination with the carburetor of an internal combustion engine of a fuel feedline to said carburetor, means for catching 1-.

burning fuel escaping from said carburetor, and means for shutting off the supply of fuel thereto comprising a normally open shut off valve, an operating lever therefor held under tension, and an inflammable member adj acentsaid catching means adapted, when ignited by said burning fuel, to release said lever. I

7 In a device of the character described, the combination with the carburetor of an internal explosion engine, of a fuel feed line to said carburetor, means for catching burning fuel escaping from said carburetor, and means for automatically shutting off the fuel supply and carrying away the burning fuel comprising a hollow tube having one end adjacent the fuel catching means, and an inflammable member located adjacent said end, a shut off valve on said feed line under tension when open, levers connected to said valve and inflammable member respectively, and a connection between said levers normally holding said shut-off valve open, the ignition of said inflammablemember permitting the operation of said levers. In testimony whereof I affix my signature in presence of two witnesses.

ERNST TEUBNER. Witnesses:

MAX CEORING, L. RALTNER, 

